exp(arcsin(arcsin(x)))=1+x+1/2!*x^2+3/3!*x^3+9/4!*x^4+49/5!*x^5... 1, 1, 1, 3, 9, 49, 249, 1963, 14129, 146017, 1362961, 17450227, 200409465
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